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Sliva [168]
3 years ago
5

Find the solution for X 3x - 5 = 7x + 11

Mathematics
2 answers:
kirill [66]3 years ago
7 0

Answer:

The answer is <u>x=-4</u>

Step-by-step explanation:

3x-5=7x+11

1) you have to move the number that has a variable with it onto one side(3x and +7x) and the numbers that do not have a variable move them onto the other side (-5 and +11),but if you move them you have to change the sign like the underlined numbers below

3x<u>-7x</u>=<u>5</u>+11

2) you have to subtract 3x and-7x which it equals  <u>-4x</u> and then you have to add 5 and 11 which it equals 16

Equation now <u>-4x=16</u>

<u>3)</u> you have to divide -4x into -4x and also divide -4x into 16 which you will get <u>x=-4</u>

Hope it helps out! :)

Margarita [4]3 years ago
6 0

Answer:

x=-4

Step-by-step explanation:

3x-5=7x+11    Add like terms

   +5     +5

3x=7x+16       Do it again...

-7x   -7x

-4x=16        Now divide

x=-4

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Answer:

\displaystyle m=2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
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  4. Multiplication
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<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point (-5, 0)

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<u>Step 2: Find slope </u><em><u>m</u></em>

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  1. Substitute in points [Slope Formula]:                                                            \displaystyle m=\frac{-8-0}{-9+5}
  2. [Fraction] Subtract/Add:                                                                                 \displaystyle m=\frac{-8}{-4}
  3. [Fraction] Divide:                                                                                            \displaystyle m=2
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